test(e2e): add snapshot test to landing page

[shootermv]

Summary of changes

learned recently about interesting feature of playwright tool - the snapshot tests.
snapshot tests means - it should compare the screenshot done in the past with screenshot after current change visually

Checklist

• I have read and followed the contribution guidelines.
• I have read through the Code of Conduct and agree to abide by the rules.
• This PR is for one of the available issues and is not a PR for an issue already assigned to someone else.
• My PR title has a short descriptive name so the maintainers can get an idea of what the PR is about.
• I have provided a summary of my changes.

closes #XXXXX